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Intelligent power grid electronic data compression access algorithm for cognitive radio based on binary exponential backoff

A cognitive radio, exponential backoff technology, applied in wireless communications, electrical components, digital transmission systems, etc., can solve the problems of unsecured monitoring data communication transmission and unreliable channels.

Inactive Publication Date: 2017-08-25
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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Problems solved by technology

However, due to the unreliability of the cognitive radio channel, the communication transmission of monitoring data cannot be guaranteed. Therefore, how to improve the success rate of monitoring data transmission while using cognitive radio communication, and try to allow data loss as much as possible. It is very important to transmit part of the data that can reflect the monitoring trend. This patent proposes a binary exponential backoff based cognitive radio smart grid monitoring data compression access algorithm.

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  • Intelligent power grid electronic data compression access algorithm for cognitive radio based on binary exponential backoff
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  • Intelligent power grid electronic data compression access algorithm for cognitive radio based on binary exponential backoff

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Embodiment Construction

[0006] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with specific embodiments.

[0007] In the following description, references to "one embodiment," "an embodiment," "an example," "example," etc. indicate that such described embodiment or example may include a particular feature, structure, characteristic, property, element, or limitations, but not every embodiment or example necessarily includes the specific feature, structure, characteristic, property, element or limitation. Additionally, repeated use of the phrase "according to one embodiment of the present application" does not necessarily refer to the same embodiment, although it may.

[0008] For simplicity, some technical features known to those skilled in the art are omitted from the following description.

[0009] According to an embodiment of the present application, the following ...

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Abstract

The invention provides an intelligent power grid electronic data compression access algorithm for cognitive radio based on binary exponential backoff. The algorithm comprises the following steps of S1, monitoring that data packets are generated per te seconds (te is a random variable), and numbering according to an index mode of a following text; S2, if the number is accordant with an algorithm requirement of the following text, being ready to put the data packet into a buffer, and otherwise directly ignoring; S3, if the buffer is not full, directly putting the data packet into the buffer, and if the buffer is full, compressing the buffer at first to make room for the new data packet; S4, starting a sending process, being ready to send the new buffer; and S5, if sending is successful, emptying the buffer, and numbering the data packets from 0; if sending is failed due to lack of channel, keeping the buffer unchanged, keeping the currently increased data packet numbers unchanged, and restarting from the step S1 until the new data packet reaches.

Description

technical field [0001] The invention specifically relates to a binary exponential backoff-based monitoring data compression access algorithm for a cognitive radio smart grid. Background technique [0002] Monitoring of smart grid electronic devices can increase the predictability of their output, report faulty devices, and extend their useful life. Generally speaking, the monitoring data transmission of the smart grid should be guaranteed and have certain real-time communication requirements. Due to the scarcity and high cost of wireless spectrum, it is currently a hotspot that smart grid adopts cognitive radio communication technology to use unused idle spectrum to transmit smart grid data. However, due to the unreliability of the cognitive radio channel, the communication transmission of monitoring data cannot be guaranteed. Therefore, how to improve the success rate of monitoring data transmission while using cognitive radio communication, and try to allow data loss as m...

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Application Information

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IPC IPC(8): H04L1/24H04W74/08
CPCH04L1/246H04W74/08
Inventor 蒋体钢王红刚
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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